3 ms·
Wafers are cheap. Bonding is not. And grinding is expensive. (Just ask Harris and Burr-Brown, who introduced this step ages ago for their processes requiring di
by exmadscientist 3y ago
Wafers are cheap. Bonding is not. And grinding is expensive. (Just ask Harris and Burr-Brown, who introduced this step ages ago for their processes requiring dielectric isolation.) So if that's cheaper than a few EUV masks, that says a lot about EUV!